ClassID:

30268

B01D2251/2067 - CPC Classification

Classification description:

Reactants; Reductants; Ammonium compounds Urea

Recent Application in this class:
#1
20260145124
2026-05-28

CONTROL SYSTEMS AND METHODS FOR EXHAUST POLLUTION MITIGATION

#2
20260126000
2026-05-07

CONTROL DEVICE AND INJECTION METHOD OF UREA SOLUTION

#3
20260110259
2026-04-23

SYSTEMS AND METHODS FOR TREATMENT OF GAS ENGINE EXHAUST

#4
20260092548
2026-04-02

DUAL SCR SYSTEM AND CONTROL METHOD THEREOF

#5
20260021449
2026-01-22

SELECTIVE CATALYTIC REDUCTION SYSTEM FOR EXHAUST GAS TREATMENT, AND EXHAUST GAS PURIFICATION APPARATUS FOR LEAN COMBUSTION ENGINES COMPRISING SELECTIVE CATALYTIC REDUCTION SYSTEM FOR EXHAUST GAS TREATMENT

#6
20250375736
2025-12-11

SCR CATALYSTS WITH BLENDED OXIDES AND H-ZEOLITES

#7
20250354509
2025-11-20

LIQUID SUPPLY DEVICE FOR A MOTOR VEHICLE

#8
20250288955
2025-09-18

Apparatus and Method for Removal of Nitrogen Oxides from Exhaust Gas

#9
20250277465
2025-09-04

DIESEL EXHAUST FLUID WITH ADDITIVE

#10
20250256242
2025-08-14

EXHAUST GAS TREATMENT APPARATUS, COMBUSTION FACILITY, POWER GENERATION FACILITY, AND EXHAUST GAS TREATMENT METHOD

#11
20250249406
2025-08-07

EXHAUST GAS TREATMENT APPARATUS, COMBUSTION FACILITY, AND EXHAUST GAS TREATMENT METHOD

#12
20250237161
2025-07-24

EXHAUST TREATMENT METHOD AND APPARATUS HAVING PARTICULATE FILTERS AND SCR

#13
20250222415
2025-07-10

MIXING TUBES AND EXHAUST AFTERTREATMENT SYSTEMS WITH IMPROVED UREA WATER SOLUTION MIXING PROPERTIES

#14
20250196114
2025-06-19

SCR Zeolite Catalysts for Improved NOx Reduction

#15
20250163838
2025-05-22

EXHAUST PURIFICATION APPARATUS

#16
20250161871
2025-05-22

Method and device for treating primary gas from a metallurgical vessel

#17
20250135515
2025-05-01

Method for Valorization of Waste Material

#18
20250101903
2025-03-27

Apparatus and Methods Related to Coolant Diverter Valves

#19
20250100978
2025-03-27

PROCESS FOR THE PRODUCTION OF MELAMINE

#20
20250065264
2025-02-27

FLUID CATALYTIC CRACKING OXY COMBUSTION GAS TREATMENT PROCESS

#21
20250041802
2025-02-06

CONTROLLER AND METHOD FOR CONFIGURING PUMP AND DOSER OF AFTERTREATMENT SYSTEM

#22
20240368504
2024-11-07

ADDITIVE FOR CLEANING SCR SYSTEMS

#23
20240325974
2024-10-03

SYSTEMS AND METHODS FOR OBTAINING NITROGEN AND CARBON DIOXIDE FROM A FLUE GAS

#24
20240307822
2024-09-19

EMISSION TREATMENT CATALYSTS, SYSTEMS AND METHODS

#25
20240280040
2024-08-22

Exhaust purification apparatus

#26
20240270587
2024-08-15

SYSTEMS & METHODS FOR AMMONIA RECOVERY, ACID GAS SEPARATION, OR COMBINATION THEREOF

#27
20240269611
2024-08-15

SCR CATALYST ARTICLE AND SYSTEMS FOR REDUCING N2O IN EXHAUST GAS

#28
20240254908
2024-08-01

AQUEOUS COMPOSITION FOR THE TREATMENT OF EXHAUST GASES WITH IMPROVED ANTIFOAMING PROPERTIES

#29
20240229697
2024-07-11

METHOD FOR CONTROLLING THE OPERATION OF AN ENGINE SYSTEM

#30
20240226790
2024-07-11

AIR-CLEANING FILTER HAVING DUST COLLECTING AND DEODORIZING FUNCTIONS AND PREPARATION METHOD THEREFOR

#31
20240183299
2024-06-06

Exhaust-gas treatment arrangement

#32
20240159174
2024-05-16

Exhaust treatment method and apparatus having particulate filters and SCR

#33
20240141816
2024-05-02

Method of operating a reducing agent injector

#34
20240141814
2024-05-02

Control device, control method, and exhaust purification system

#35
20240133329
2024-04-25

Method for controlling the operation of an engine system

#36
20240131462
2024-04-25

AIR-CLEANING FILTER HAVING DUST COLLECTING AND DEODORIZING FUNCTIONS AND PREPARATION METHOD THEREFOR

#37
20240130371
2024-04-25

ENVIRONMENTAL PROTECTION SYSTEMS AND METHODS OF GREENHOUSE GAS CAPTURE VIA CALCIUM HYDROXIDE

#38
20240091751
2024-03-21

COPPER CHA ZEOLITE CATALYSTS

#39
20240082784
2024-03-14

Biogenic Refinery with SCR System Using Urea Extracted from Feedstock

#40
20240018888
2024-01-18

Exhaust Gas Rectifier And Exhaust Gas Purification System

#41
20230405564
2023-12-21

CATALYST FOR ENHANCED HIGH TEMPERATURE CONVERSION AND REDUCED N2O MAKE

#42
20230372867
2023-11-23

APPARATUS FOR REDUCING GREENHOUSE GAS EMISSION IN VESSEL AND VESSEL INCLUDING THE SAME

#43
20230356147
2023-11-09

PROCESS AND APPLIANCE FOR THE PURIFICATION OF A GAS FLOW CONTAINING AT LEAST ONE NITROGEN OXIDE

#44
20230323801
2023-10-12

Urea removing apparatus

#45
20230287816
2023-09-14

Systems and methods for desulfation of catalysts included in aftertreatment systems

#46
20230235689
2023-07-27

Control method for reductant generation device, exhaust purification method, reductant generation system, and exhaust purification system

#47
20230228205
2023-07-20

Nitrogen oxide reduction type regenerative thermal oxidation system and nitrogen oxide reduction method thereof

#48
20230182074
2023-06-15

Reducer supply device

#49
20230160080
2023-05-25

METHODS OF FORMING AQUEOUS UREA UTILIZING CARBON DIOXIDE CAPTURED FROM EXHAUST GAS AT WELLSITE

#50
20230116996
2023-04-20

REDUCTANT INJECTION SYSTEM AND METHOD FOR SELECTIVE CATALYTIC REDUCTION REACTION

#51
20230081351
2023-03-16

Copper CHA zeolite catalysts

#52
20230001353
2023-01-05

Transition metal/zeolite SCR catalysts

#53
20220250005
2022-08-11

Emission treatment catalysts, systems and methods

#54
20220178286
2022-06-09

Systems and methods for desulfation of catalysts included in aftertreatment systems

#55
20220097002
2022-03-31

EXHAUST PURIFICATION DEVICE AND VEHICLE

#56
20220097001
2022-03-31

MIXING MEMBER, EXHAUST PURIFICATION DEVICE AND VEHICLE

#57
20210404365
2021-12-30

Systems and methods for dry chemical reductant insertion in aftertreatment systems

#58
20210381416
2021-12-09

System and method for controlling urea injection for selective catalyst reduction

#59
20210362128
2021-11-25

Urea-impregnated zeolite sorbents and method for making the same

#60
20210187440
2021-06-24

NOx ABATEMENT SYSTEM FOR A STATIONARY BURNING SYSTEM

#61
20210140357
2021-05-13

Method for regulating exhaust emissions

#62
20210101114
2021-04-08

Method and system for the removal of particulate matter and noxious compounds from flue-gas using a ceramic filter with an SCR catalyst

#63
20210053835
2021-02-25

SYSTEMS & METHODS FOR AMMONIA RECOVERY, ACID GAS SEPARATION, OR COMBINATION THEREOF

#64
20210016225
2021-01-21

Direct injection of aqueous urea

#65
20210008531
2021-01-14

CATALYZED SCR FILTER AND EMISSION TREATMENT SYSTEM

#66
20200340379
2020-10-29

Exhaust gas aftertreatment system with a reducing agent mixer having an injector tip protector

#67
20200332697
2020-10-22

Exhaust gas after-treatment mixing device

#68
20200332694
2020-10-22

Exhaust gas treatment device for an exhaust system of an internal combustion engine

#69
20200330935
2020-10-22

Mixer

#70
20200261895
2020-08-20

Copper CHA zeolite catalysts

#71
20200200059
2020-06-25

Injection device

#72
20200188849
2020-06-18

Method and system for the removal of noxious compounds from flue-gas using fabric filter bags with an SCR catalyst

#73
20200157996
2020-05-21

Deposit reduction using interior surface finishing

#74
20200147547
2020-05-14

Method for the removal of oxygen from an industrial gas feed

#75
20200108377
2020-04-09

Catalyzed SCR filter and emission treatment system

#76
20200087154
2020-03-19

Systems and methods for basic gas recovery, acid gas separation, or combination thereof

#77
20200078733
2020-03-12

Exhaust gas pollution control fluid comprising a soluble basic metal carbonate, process for preparing same and use thereof for internal- combustion engines

#78
20200061539
2020-02-27

Selective catalytic reduction process and off-line regeneration of deactivated catalyst of the process

#79
20200040785
2020-02-06

Urea injection control method in exhaust aftertreatment system

#80
20200023343
2020-01-23

PROCESS AND PLANT FOR THE PRODUCTION OF A UREA SOLUTION FOR USE IN SCR PROCESS FOR REDUCTION OF NOX

#81
20200023312
2020-01-23

Producing ammonium carbamate and reducing nitrogen oxides

#82
20200018209
2020-01-16

Urea concentration sensor reflector

#83
20200011222
2020-01-09

Selective catalytic reduction adaptation for accuracy and minimized tailpipe impact

#84
20200009505
2020-01-09

Systems and methods for purging reductant from a reductant injector

#85
20200003098
2020-01-02

Exhaust gas purification device

#86
20190388823
2019-12-26

Submicron particle removal from gas streams

#87
20190351370
2019-11-21

Nozzle lance, combustion plant and method for exhaust gas treatment

#88
20190339627
2019-11-07

Lithographic apparatus and method for loading a substrate

#89
20190301134
2019-10-03

Construction machine

#90
20190247836
2019-08-15

SCR catalysts having improved low temperature performance, and methods of making and using the same

#91
20190242284
2019-08-08

Diesel exhaust fluid pressure measuring and control systems and methods

#92
20190233296
2019-08-01

Systems and methods for ammonia recovery, acid gas separation, or combination thereof

#93
20190232263
2019-08-01

Catalyzed SCR filter and emission treatment system

#94
20190232222
2019-08-01

Catalytic reactor and ship provided with same

#95
20190226372
2019-07-25

SCR catalyst and exhaust gas cleaning system

#96
20190225391
2019-07-25

Diesel exhaust fluid tank with integrated mis-filling prevention device

#97
20190224610
2019-07-25

Submicron particle removal from gas streams

#98
20190211729
2019-07-11

Systems and methods for purging a reductant insertion assembly of a reductant

#99
20190211726
2019-07-11

Exhaust after-treatment system with improved DEF purge cycling in agricultural vehicles

#100
20190201854
2019-07-04

Reducing agent mixer

#101
20190186318
2019-06-20

Method and apparatus for monitoring an exhaust aftertreatment system for an internal combustion engine

#102
20190178129
2019-06-13

Methods for assessing the condition of a selective catalytic reduction devices

#103
20190170035
2019-06-06

Control system for a reductant dosing system

#104
20190160424
2019-05-30

VESSEL EXHAUST GAS DENITRATION SYSTEM AND METHOD OF DETERMINING NOZZLE CLOGGING IN THE SAME

#105
20190151823
2019-05-23

Enhanced sorbent formulation for removal of mercury from flue gas

#106
20190143272
2019-05-16

Catalyst composite and use thereof in the selective catalytic reduction of NO

#107
20190128519
2019-05-02

Nitrogen oxide (NO) emission reduction in an oxy-combustion furnace

#108
20190120109
2019-04-25

Passive nitrogen oxide adsorber catalyst

#109
20190118146
2019-04-25

Exhaust treatment device

#110
20190111388
2019-04-18

Catalytic reactor and ship provided with same

#111
20190093529
2019-03-28

Exhaust purification device of engine, vehicle engine including exhaust purification device, and method of controlling engine

#112
20190063292
2019-02-28

Variable-position mixer for an exhaust gas after-treatment system

#113
20190040778
2019-02-07

Exhaust treatment system and method for treatment of an exhaust stream

#114
20190022583
2019-01-24

Dual auger mixing system

#115
20190009213
2019-01-10

EXHAUST GAS TREATMENT SYSTEM

#116
20180371975
2018-12-27

Combustion engine exhaust gas purifying facility

#117
20180371974
2018-12-27

Fluid for purifying heat engines and methods for preparing said fluids by emulsification

#118
20180353904
2018-12-13

Composition made from urea for treating exhaust gases

#119
20180345216
2018-12-06

Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution

#120
20180345209
2018-12-06

SCAVENGERS

#121
20180318764
2018-11-08

Sorption enhanced reaction technology for increased performance from automotive catalysts

#122
20180306509
2018-10-25

Method of spray drying and washing and method of controlling air pollution

#123
20180304198
2018-10-25

Fluid for purifying heat engines using stable suspensions of metal colloidal particles, and methods for preparing said fluid

#124
20180297014
2018-10-18

Exhaust gas treatment catalyst

#125
20180296979
2018-10-18

Exhaust gas purification material

#126
20180280946
2018-10-04

Catalyst for treating an exhaust gas, an exhaust system and a method

#127
20180280943
2018-10-04

Catalyst for treating an exhaust gas, an exhaust system and a method

#128
20180280879
2018-10-04

Catalyst article for use in an emission treatment system

#129
20180274419
2018-09-27

Exhaust gas purification apparatus for an internal combustion engine

#130
20180272280
2018-09-27

Emission treatment catalysts, systems and methods

#131
20180272279
2018-09-27

Transition metal/zeolite SCR catalysts

#132
20180258839
2018-09-13

Method and device for the purification of diesel exhaust gases

#133
20180258810
2018-09-13

Exhaust gas purifying catalyst

#134
20180238220
2018-08-23

Work machine

#135
20180214824
2018-08-02

Diesel oxidation catalyst

#136
20180214821
2018-08-02

Process and device for the purification of waste gas

#137
20180178162
2018-06-28

Urea water agitation control device

#138
20180169580
2018-06-21

METHOD AND SYSTEM FOR TEMPERATURE CONTROL IN CATALYTIC OXIDATION REACTIONS

#139
20180154305
2018-06-07

Method and apparatus for dynamic exhaust-gas treatment

#140
20180149983
2018-05-31

Lithographic apparatus and method for loading a substrate

#141
20180147569
2018-05-31

Low phosphorus chabazites

#142
20180126332
2018-05-10

Cyclonic injector and method for reagent gasification and decomposition in a hot gas stream

#143
20180118617
2018-05-03

NOx reduction process in a cement kiln manufacturing system

#144
20180112881
2018-04-26

Tempering air system for gas turbine selective catalyst reduction system

#145
20180106176
2018-04-19

Exhaust gas aftertreatment unit and work vehicle

#146
20180087426
2018-03-29

System for regulating exhaust emissions

#147
20180078897
2018-03-22

Method and system for selective noncatalytic NOreduction

#148
20180066554
2018-03-08

Exhaust system with a modified lean NOx trap

#149
20180056281
2018-03-01

Copper CHA zeolite catalysts

#150
20180043305
2018-02-15

Exhaust gas treatment system

#151
20180038302
2018-02-08

Exhaust emission control system of engine

#152
20180038301
2018-02-08

Exhaust emission control system of engine

#153
20180028974
2018-02-01

Systems and method for feed forward control of diesel exhaust fluid delivery systems

#154
20180017253
2018-01-18

Arrangement of a combustor and a device for selective non-catalytic reduction and pulsed injection method

#155
20180017252
2018-01-18

Arrangement of a combustor and a device for selective non catalytic reduction and injection nozzle

#156
20180001258
2018-01-04

Urea-water injector module

#157
20180001235
2018-01-04

Strainer

#158
20170368541
2017-12-28

Molecular sieve catalyst compositions, catalyst composites, systems, and methods

#159
20170362985
2017-12-21

Exhaust gas treatment system and method, as well as ship comprising, and use of, such a system

#160
20170354927
2017-12-14

Boiler and device for selective non catalytic reduction

#161
20170333884
2017-11-23

Catalyzed SCR filter and emission treatment system

#162
20170321582
2017-11-09

Control device and control method for reducing agent injection device, and reducing agent injection device

#163
20170320816
2017-11-09

Submicron particle removal from gas streams

#164
20170314440
2017-11-02

Urea water injection system and method for preventing crystallization in urea water injection device

#165
20170284263
2017-10-05

Emissions control substrate

#166
20170284260
2017-10-05

Plasma SCR system

#167
20170284258
2017-10-05

Reducing agent injection device and exhaust gas treatment method

#168
20170284257
2017-10-05

Reducing agent injection device and exhaust gas treatment device

#169
20170284256
2017-10-05

Reducing agent injection device and exhaust gas treatment method

#170
20170254244
2017-09-07

Exhaust system, especially for an internal combustion engine of a vehicle

#171
20170216771
2017-08-03

Method for cleaning process off- or engine exhaust gas

#172
20170197178
2017-07-13

Reducing the emission of nitrogen oxide when starting up systems for producing nitric acid

#173
20170191395
2017-07-06

Mixer and doser cone assembly

#174
20170175610
2017-06-22

Emissions control network for hybrid power plants

#175
20170138239
2017-05-18

Gas introduction for urea solution freeze protection

#176
20170136410
2017-05-18

System for a urea mixer

#177
20170122167
2017-05-04

Device for release of reactant into the exhaust gas stream of an internal combustion engine

#178
20170120193
2017-05-04

Methods and systems for a mixer

#179
20170096927
2017-04-06

Method of testing a proper functioning of a selective catalytic reduction system

#180
20170089240
2017-03-30

Exhaust gas post-processing system

#181
20170082007
2017-03-23

Mixer and doser cone assembly

#182
20170065967
2017-03-09

Method for disposing SCR composition on a wall flow monolith

#183
20170056823
2017-03-02

Zeolite and redox oxide combined catalyst body

#184
20170036165
2017-02-09

Diffuser plate for an exhaust aftertreatment module

#185
20170030238
2017-02-02

Angled sensor mount for use with a single module aftertreatment system or the like

#186
20170030236
2017-02-02

SUPPLY SYSTEM FOR USE IN A VEHICLE

#187
20170016369
2017-01-19

Visual marking and geometric poka-yoke for fluid and electrical lines of aftertreatment systems

#188
20170009630
2017-01-12

Exhaust purification system for ship

#189
20170009627
2017-01-12

Engine device

#190
20170002713
2017-01-05

Exhaust tract having a metering device which sprays counter to a direction of flow, method for operating an exhaust tract and vehicle having an exhaust tract

#191
20160376972
2016-12-29

Exhaust control system for internal combustion engine

#192
20160367940
2016-12-22

Aftertreatment system with access panel

#193
20160361694
2016-12-15

Exhaust treatment device

#194
20160356194
2016-12-08

Method and control assembly for operating an exhaust gas system

#195
20160347657
2016-12-01

Method for denitrification of bypass exhaust gases in a plant for producing cement clinker

#196
20160346733
2016-12-01

Method for the cleaning of exhaust gas from a compression ignition engine

#197
20160339382
2016-11-24

Process and system for the purification of waste gases charged with nitrogen oxides

#198
20160339370
2016-11-24

Fluid reservoir having inlet filtering

#199
20160325227
2016-11-10

Manufacturing Method of Urea Solution Used For Intelligent And High Efficiency Diesel Engine Vehicle

#200
20160310897
2016-10-27

Exhaust gas purification apparatus

#201
20160310896
2016-10-27

Predictive emissions monitor systems and methods

#202
20160303512
2016-10-20

Exhaust gas purification apparatus for internal combustion engine

#203
20160303511
2016-10-20

Tractor

#204
20160303509
2016-10-20

Exhaust gas purification apparatus for internal combustion engine

#205
20160298517
2016-10-13

Device for purifying the exhaust gas of an internal combustion engine

#206
20160296924
2016-10-13

Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NO

#207
20160279571
2016-09-29

Exhaust gas purification material

#208
20160279570
2016-09-29

Non-catalytic denitration device and non-catalytic denitration method

#209
20160279565
2016-09-29

Dual injection grid arrangement

#210
20160250593
2016-09-01

AFTERTREATMENT ASSEMBLY

#211
20160250592
2016-09-01

Ammonia generation apparatus and ammonia generation control apparatus

#212
20160245510
2016-08-25

Method of reducing flue gas emissions and a boiler

#213
20160245141
2016-08-25

Exhaust purification system

#214
20160243510
2016-08-25

Dual auger mixing system

#215
20160237870
2016-08-18

Exhaust gas purification system and ship having the same

#216
20160230635
2016-08-11

Diagnostic device for an oxidation catalyst

#217
20160220954
2016-08-04

Low temperature urea-Scr operation in the presence of high sulphur flue gas

#218
20160186631
2016-06-30

Centerline injection system for liquid-only reductant delivery

#219
20160175823
2016-06-23

Catalyzed SCR filter and emission treatment system

#220
20160175739
2016-06-23

METHOD FOR PREPARING UREA WATER, METHOD FOR REMOVING TRIURET FROM UREA WATER AND METHOD FOR COLLECTING TRIURET FROM AQUEOUS SOLUTION

#221
20160166974
2016-06-16

Apparatus for gas cleaning

#222
20160151772
2016-06-02

Zeolite, and production method and use therefor

#223
20160131000
2016-05-12

Selective catalytic reduction and catalytic regeneration system

#224
20160129397
2016-05-12

Reducing agent pyrolysis system for selective catalytic reduction apparatus

#225
20160129396
2016-05-12

Selective catalytic NOreduction apparatus providing improved gasification of urea

#226
20160121317
2016-05-05

Low phosphorus chabazites

#227
20160121266
2016-05-05

Exhaust gas purification system and exhaust gas purification method

#228
20160114289
2016-04-28

Control apparatus, exhaust purifying apparatus for internal combustion engine, and control method for exhaust purifying apparatus

#229
20160101412
2016-04-14

Copper CHA zeolite catalysts

#230
20160101411
2016-04-14

Copper CHA zeolite catalysts

#231
20160076423
2016-03-17

Diagnostic device for urea water supply system

#232
20160074839
2016-03-17

Urea hydrolysis reactor for selective catalytic reduction

#233
20160069237
2016-03-10

Selective dosing module control system

#234
20160061080
2016-03-03

Control techniques of exhaust purification system and exhaust purification system

#235
20160047286
2016-02-18

Exhaust system with a modified lean NOtrap

#236
20160045869
2016-02-18

Method of controlling ammonia levels in catalytic units

#237
20160045864
2016-02-18

Method and system for NOremoval

#238
20160017777
2016-01-21

Reducing agent injection device, exhaust gas treatment device and exhaust gas treatment method

#239
20160003473
2016-01-07

Boiler and a method for NOemission control from a boiler

#240
20150367337
2015-12-24

Molecular sieve catalyst compositions, catalytic composites, systems, and methods

#241
20150367336
2015-12-24

Molecular sieve catalyst compositions, catalyst composites, systems, and methods

#242
20150362255
2015-12-17

Method and device for treating exhaust gases

#243
20150361848
2015-12-17

Exhaust aftertreatment system for a compression-ignition engine

#244
20150360174
2015-12-17

Air pollution control system and air pollution control method

#245
20150352491
2015-12-10

Cyclonic injector and method for reagent gasification and decomposition in a hot gas stream

#246
20150321181
2015-11-12

Methods for treating engine exhaust

#247
20150315946
2015-11-05

Deterioration determination system of exhaust emission control device

#248
20150315033
2015-11-05

Ammonia gas generator, method for producing ammonia and use of the same for reducing nitrogen oxides in exhaust gases

#249
20150314239
2015-11-05

Exhaust gas control apparatus for internal combustion engine

#250
20150314238
2015-11-05

Ammonia gas generator and use of the same for reducing nitrogen oxides in exhaust gases

#251
20150290585
2015-10-15

EXHAUST GAS PURIFICATION DEVICE

#252
20150246346
2015-09-03

SCR catalysts having improved low temperature performance, and methods of making and using the same

#253
20150240752
2015-08-27

Exhaust system having NO catalyst in EGR circuit

#254
20150231563
2015-08-20

Method for purifying exhaust gas and for regenerating an oxidation catalyst

#255
20150196877
2015-07-16

Exhaust treatment device insulation detection system

#256
20150184567
2015-07-02

Engine system

#257
20150176451
2015-06-25

Cooling structure for urea aqueous solution conduit

#258
20150143801
2015-05-28

Deterioration detection system for exhaust gas purification apparatus

#259
20150139897
2015-05-21

Copper CHA zeolite catalysts

#260
20150132215
2015-05-14

Process for the preparation of zeolites having CHA structure

#261
20150132206
2015-05-14

Copper CHA zeolite catalysts

#262
20150128576
2015-05-14

Exhaust gas purification system and exhaust gas purification method

#263
20150118132
2015-04-30

Method and system for purifying the exhaust gases of a combustion engine

#264
20150118115
2015-04-30

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#265
20150096286
2015-04-09

Exhaust gas purification device for internal combustion engine

#266
20150093311
2015-04-02

Exhaust aftertreatment system and method pertaining to such a system

#267
20150068197
2015-03-12

Urea injection controller for a motorized system

#268
20150064086
2015-03-05

Electric reagent launcher for reduction of nitrogen

#269
20150027105
2015-01-29

SCR treatment of engine exhaust gases using temperature control

#270
20150023854
2015-01-22

Exhaust gas post-processing apparatus and control method thereof

#271
20150016932
2015-01-15

Construction machine

#272
20150011377
2015-01-08

Catalyzed SCR filter and emission treatment system

#273
20150007901
2015-01-08

Breather hose for aqueous urea solution tank

#274
20150004068
2015-01-01

Catalytic reduction of NO

#275
20140363341
2014-12-11

Exhaust purification device for internal combustion engine

#276
20140349841
2014-11-27

Catalyzed SCR filter and emission treatment system

#277
20140334988
2014-11-13

Flow reversing exhaust gas mixer

#278
20140329668
2014-11-06

NOx removal catalyst for high-temperature flue gas, manufacturing method thereof, and NOx removal method for high-temperature flue gas

#279
20140314645
2014-10-23

SCR catalyst ammonia surface coverage estimation and control

#280
20140311126
2014-10-23

Air-injection system to improve effectiveness of selective catalytic reduction catalyst

#281
20140286827
2014-09-25

Exhaust gas purifier

#282
20140274665
2014-09-18

Selective catalytic reduction catalyst system

#283
20140271422
2014-09-18

Selective catalytic reduction catalyst system

#284
20140234174
2014-08-21

Exhaust gas purification apparatus for an internal combustion engine

#285
20140230415
2014-08-21

Exhaust gas purification apparatus for an internal combustion engine

#286
20140227137
2014-08-14

Urea spray selective catalytic reduction control system

#287
20140212349
2014-07-31

Process and device for the purification of waste gases

#288
20140193327
2014-07-10

Low phosphorus chabazites

#289
20140193307
2014-07-10

Catalytic converter for confined areas

#290
20140161679
2014-06-12

Exhaust system

#291
20140155256
2014-06-05

Raw materials for vanadium-free or vanadium-reduced denox catalysts, and method for producing same

#292
20140154175
2014-06-05

Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NO

#293
20140150410
2014-06-05

Ammonia gas generator for producing ammonia in order to reduce nitrogen oxides in exhaust gases

#294
20140147356
2014-05-29

Ammonia gas generator and method for producing ammonia in order to reduce nitrogen oxides in exhaust gases

#295
20140135204
2014-05-15

Silicoaluminophosphate particles, honeycomb structure, method for manufacturing the same and exhaust gas purifying apparatus

#296
20140134089
2014-05-15

Apparatus and method for the selective non-catalytic reduction (SNCR) of NOx in industrial cement production plants

#297
20140134086
2014-05-15

Method and multi-component nozzle for reducing unwanted substances in a flue gas

#298
20140127100
2014-05-08

Method for the production of ammonia from an ammonia precursor substance in order to reduce nitrogen oxides in exhaust gases

#299
20140116358
2014-05-01

Method of treating a carbon dioxide rich flue gas and a flue gas treatment system

#300
20140112851
2014-04-24

Supplemental ammonia storage and delivery system